Perfect Squares and Square Roots

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer multiplied by itself. For example, 1, 4, 9, 16, and 25 are perfect squares.

Front

List the first five perfect squares.

Back

1, 4, 9, 16, 25.

Front

What is the square root of a number?

Back

The square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 36 is 6 because 6 x 6 = 36.

Front

Evaluate √49.

Back

7.

Front

Evaluate √64.

Back

8.

Front

What is 3²?

Back

9.

Front

What is 10²?

Back

100.

Front

If x² = 36, what is x?

Back

x = 6 or x = -6.

Front

What is the relationship between perfect squares and their square roots?

Back

The square root of a perfect square is always an integer.

Front

Is 50 a perfect square? Why or why not?

Back

No, 50 is not a perfect square because there is no integer that, when multiplied by itself, equals 50.